Directional Viewpager

package com.directionalviewpager.sample;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.widget.Button;
import com.directionalviewpager.DirectionalViewPager;

public class SampleActivity extends FragmentActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        //Set up the pager
        final DirectionalViewPager pager = (DirectionalViewPager)findViewById(R.id.pager);
        pager.setAdapter(new TestFragmentAdapter(getSupportFragmentManager()));

        //Bind to control buttons
        ((Button)findViewById(R.id.horizontal)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                pager.setOrientation(DirectionalViewPager.HORIZONTAL);
            }
        });
        ((Button)findViewById(R.id.vertical)).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                pager.setOrientation(DirectionalViewPager.VERTICAL);
            }
        });
    }
}

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package com.directionalviewpager.sample;

import android.os.Bundle;

import android.support.v4.app.Fragment;

import android.view.Gravity;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.LinearLayout;

import android.widget.LinearLayout.LayoutParams;

import android.widget.TextView;

public final class TestFragment extends Fragment {

private static final String KEY_CONTENT = "TestFragment:Content";

public static TestFragment newInstance(String content) {

TestFragment fragment = new TestFragment();

StringBuilder builder = new StringBuilder();

for (int i = 0; i < 30; i++) {

builder.append(content).append(" ");

}

builder.deleteCharAt(builder.length() - 1);

fragment.mContent = builder.toString();

return fragment;

}

private String mContent = "???";

@Override

public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

if ((savedInstanceState != null) && savedInstanceState.containsKey(KEY_CONTENT)) {

mContent = savedInstanceState.getString(KEY_CONTENT);

}

TextView text = new TextView(getActivity());

text.setText(mContent);

text.setTextSize(20 * getResources().getDisplayMetrics().density);

text.setPadding(20, 20, 20, 20);

text.setGravity(Gravity.CENTER);

LinearLayout layout = new LinearLayout(getActivity());

layout.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));

layout.setGravity(Gravity.CENTER);

layout.addView(text);

return layout;

}

@Override

public void onSaveInstanceState(Bundle outState) {

super.onSaveInstanceState(outState);

outState.putString(KEY_CONTENT, mContent);

}

}

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package com.directionalviewpager.sample;

import android.support.v4.app.Fragment;

import android.support.v4.app.FragmentManager;

import android.support.v4.app.FragmentPagerAdapter;

class TestFragmentAdapter extends FragmentPagerAdapter {

protected static final String[] CONTENT = new String[] { "This", "Is Is", "A A A", "Test", };

public TestFragmentAdapter(FragmentManager fm) {

super(fm);

}

@Override

public Fragment getItem(int position) {

return TestFragment.newInstance(CONTENT[position]);

}

@Override

public int getCount() {

return CONTENT.length;

}

}

------------------------------------------------------------------------------------------------------------xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent">

  <com.directionalviewpager.DirectionalViewPager android:id="@+id/pager" android:layout_width="fill_parent" android:layout_height="0dp" android:layout_weight="1" /> 

- <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="2dp" android:orientation="horizontal">

  <Button android:id="@+id/horizontal" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" android:layout_marginRight="1dp" android:text="Horizontal" /> 

  <Button android:id="@+id/vertical" android:layout_width="0dp" android:layout_weight="1" android:layout_height="wrap_content" android:layout_marginLeft="1dp" android:text="Vertical" /> 

  </LinearLayout>

  </LinearLayout